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Generally, metal catalysts ( C u , N i , R u , etc. ) are used to synthesize graphene through chemical vapor deposition (
Generally, metal catalysts etc. are used to synthesize graphene through chemical vapor deposition CVD However, to utilize the synthesized graphene, it must be separated from the metal catalyst, and this process often involves transferring the graphene as shown in Figure a
Generally, metal catalysts etc. are used to synthesize graphene through chemical vapor deposition CVD However, due to issues such as surface contamination, various surface treatments are often performed before growing graphene. The study aims to grow graphene without such surface treatments by forming a copper film on a sapphire substrate, then peeling it off as shown in Figures a and b and growing graphene at the interface. Figure c shows the Cu p XPS measurement results of the copper surface peeled off from sapphire compared to a typical copper surface. Interpret Figure c and discuss the exnected benefits.
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